IL299053A - Propulsion unit with folding propeller blades and a method for folding the blades - Google Patents
Propulsion unit with folding propeller blades and a method for folding the bladesInfo
- Publication number
- IL299053A IL299053A IL299053A IL29905322A IL299053A IL 299053 A IL299053 A IL 299053A IL 299053 A IL299053 A IL 299053A IL 29905322 A IL29905322 A IL 29905322A IL 299053 A IL299053 A IL 299053A
- Authority
- IL
- Israel
- Prior art keywords
- blades
- folding
- propeller
- blade
- propulsion unit
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 description 15
- 230000001939 inductive effect Effects 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003302 ferromagnetic material Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000013475 authorization Methods 0.000 description 2
- 230000005291 magnetic effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/16—Blades
- B64C11/20—Constructional features
- B64C11/28—Collapsible or foldable blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/02—Hub construction
- B64C11/04—Blade mountings
- B64C11/06—Blade mountings for variable-pitch blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/22—Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft
- B64C27/28—Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft with forward-propulsion propellers pivotable to act as lifting rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/473—Constructional features
- B64C27/50—Blades foldable to facilitate stowage of aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C29/00—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft
- B64C29/02—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft having its flight directional axis vertical when grounded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D29/00—Power-plant nacelles, fairings, or cowlings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C29/00—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft
- B64C29/0008—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft having its flight directional axis horizontal when grounded
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transmission Devices (AREA)
- Wind Motors (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Handcart (AREA)
- Toys (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2006281A FR3111325B1 (fr) | 2020-06-16 | 2020-06-16 | Ensemble propulsif a helice a pales repliables et procede de repliement des pales |
| PCT/FR2021/051057 WO2021255373A1 (fr) | 2020-06-16 | 2021-06-14 | Ensemble propulsif a helice a pales repliables et procede de repliement des pales |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL299053A true IL299053A (en) | 2023-02-01 |
Family
ID=72356186
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL299054A IL299054A (en) | 2020-06-16 | 2021-06-14 | Propulsion unit with folding propeller blades and a method for folding the blades |
| IL299053A IL299053A (en) | 2020-06-16 | 2021-06-14 | Propulsion unit with folding propeller blades and a method for folding the blades |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL299054A IL299054A (en) | 2020-06-16 | 2021-06-14 | Propulsion unit with folding propeller blades and a method for folding the blades |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US20230249812A1 (ko) |
| EP (2) | EP4164943A1 (ko) |
| JP (2) | JP2023531402A (ko) |
| KR (2) | KR20230022240A (ko) |
| CN (2) | CN116157324A (ko) |
| FR (1) | FR3111325B1 (ko) |
| IL (2) | IL299054A (ko) |
| WO (2) | WO2021255373A1 (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230159175A1 (en) * | 2021-11-24 | 2023-05-25 | Raytheon Technologies Corporation | Aircraft propulsor and method for using said propulsor |
| CN114465065B (zh) * | 2022-01-06 | 2023-11-03 | 广东汇天航空航天科技有限公司 | 飞行器主轴滑环装置、飞行器旋翼系统及飞行器 |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US866369A (en) * | 1907-02-23 | 1907-09-17 | Arthur W Learnard | Propeller. |
| US2925130A (en) * | 1954-10-01 | 1960-02-16 | United Aircraft Corp | Means of folding rotor blades |
| US3343610A (en) * | 1965-06-29 | 1967-09-26 | Vacca Luigi | Mechanical blade locks |
| US3356155A (en) * | 1965-07-29 | 1967-12-05 | Donald L Ferris | Blade fold adjustment and lock |
| US3592412A (en) * | 1969-10-03 | 1971-07-13 | Boeing Co | Convertible aircraft |
| US3749515A (en) * | 1971-06-01 | 1973-07-31 | Textron Inc | Powered folding mechanism |
| US3957229A (en) * | 1973-08-09 | 1976-05-18 | Davis Harry C | Convertible auxiliary turbine for aircraft |
| DE2523180C2 (de) * | 1975-05-26 | 1983-02-10 | Horst Dipl.-Ing. 5400 Koblenz Eichler | Propeller für schnelle Flug- oder Schwimmkörper |
| DE2854977C2 (de) * | 1978-12-20 | 1990-06-21 | Claus Dr.-Ing. 1000 Berlin Oehler | Faltpropelleranordnung für Flugzeuge |
| DE3272187D1 (en) * | 1981-11-19 | 1986-08-28 | Westland Plc | Helicopter rotors |
| US4738592A (en) * | 1984-09-28 | 1988-04-19 | The Boeing Company | Cam assisted blade folding system |
| US6308632B1 (en) * | 1998-11-23 | 2001-10-30 | James E. Shaffer | Deployable folded propeller assembly for aerial projectiles |
| US7857590B1 (en) * | 2006-08-11 | 2010-12-28 | Neal Larry R | Folding rotor for a rotorcraft |
| US20100072325A1 (en) * | 2008-01-22 | 2010-03-25 | Kenneth William Sambell | Forward (Upstream) Folding Rotor for a Vertical or Short Take-Off and Landing (V/STOL) Aircraft |
| CA2802389C (en) * | 2010-06-15 | 2015-11-24 | Bell Helicopter Textron Inc. | Method and apparatus for in-flight blade folding |
| US9327831B2 (en) * | 2013-05-22 | 2016-05-03 | Bell Helicopter Textron Inc. | Rotorcraft flapping lock |
| US9694911B2 (en) * | 2014-03-18 | 2017-07-04 | Joby Aviation, Inc. | Aerodynamically efficient lightweight vertical take-off and landing aircraft with pivoting rotors and stowing rotor blades |
| US10526068B2 (en) * | 2014-12-02 | 2020-01-07 | Bell Textron Inc. | Tilrotor aircraft having rotary and non rotary flight modes |
| US10336447B2 (en) * | 2014-12-02 | 2019-07-02 | Bell Helicopter Textron Inc. | Folding proprotor gimbal lock and blade lock mechanism |
| US11235858B2 (en) * | 2014-12-02 | 2022-02-01 | Textron Innovations Inc. | Blade fold mechanism |
| FR3048953B1 (fr) * | 2016-03-21 | 2018-04-06 | Arianegroup Sas | Helice d'aeronef comprenant des pales pliables et a calage variable |
| GB2550916B (en) * | 2016-05-30 | 2018-09-26 | Kapeter Luka | Propeller-hub assembly with folding blades for VTOL aircraft |
| US10167080B2 (en) * | 2016-09-19 | 2019-01-01 | Bell Helicopter Textron Inc. | Storage modes for tiltrotor aircraft |
| US10252798B2 (en) * | 2017-04-27 | 2019-04-09 | Pterodynamics | Vertical takeoff and landing airframe |
| KR20220056573A (ko) * | 2020-10-28 | 2022-05-06 | 현대자동차주식회사 | 에어모빌리티의 프로펠러 폴딩 장치 |
-
2020
- 2020-06-16 FR FR2006281A patent/FR3111325B1/fr active Active
-
2021
- 2021-06-14 US US18/001,617 patent/US20230249812A1/en active Pending
- 2021-06-14 WO PCT/FR2021/051057 patent/WO2021255373A1/fr unknown
- 2021-06-14 KR KR1020237001036A patent/KR20230022240A/ko active Search and Examination
- 2021-06-14 JP JP2022576826A patent/JP2023531402A/ja active Pending
- 2021-06-14 IL IL299054A patent/IL299054A/en unknown
- 2021-06-14 CN CN202180059152.7A patent/CN116157324A/zh active Pending
- 2021-06-14 CN CN202180061285.8A patent/CN116157325A/zh active Pending
- 2021-06-14 IL IL299053A patent/IL299053A/en unknown
- 2021-06-14 JP JP2022576833A patent/JP2023531404A/ja active Pending
- 2021-06-14 EP EP21737112.9A patent/EP4164943A1/fr active Pending
- 2021-06-14 KR KR1020237001074A patent/KR20230023748A/ko active Search and Examination
- 2021-06-14 WO PCT/FR2021/051058 patent/WO2021255374A1/fr unknown
- 2021-06-14 EP EP21739163.0A patent/EP4164944B1/fr active Active
- 2021-06-14 US US18/001,688 patent/US20230234696A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR3111325A1 (fr) | 2021-12-17 |
| CN116157324A (zh) | 2023-05-23 |
| EP4164943A1 (fr) | 2023-04-19 |
| IL299054A (en) | 2023-02-01 |
| FR3111325B1 (fr) | 2022-12-09 |
| WO2021255373A1 (fr) | 2021-12-23 |
| KR20230023748A (ko) | 2023-02-17 |
| EP4164944B1 (fr) | 2024-06-19 |
| WO2021255374A1 (fr) | 2021-12-23 |
| JP2023531404A (ja) | 2023-07-24 |
| EP4164944A1 (fr) | 2023-04-19 |
| CN116157325A (zh) | 2023-05-23 |
| JP2023531402A (ja) | 2023-07-24 |
| US20230234696A1 (en) | 2023-07-27 |
| US20230249812A1 (en) | 2023-08-10 |
| KR20230022240A (ko) | 2023-02-14 |
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